Portable fire pit



FIG. 1 is an isometric view of a portable fire pit showing our new design;

FIG. 2 is a right side elevation view;

FIG. 3 is a left side elevation view;

FIG. 4 is a front elevation view;

FIG. 5 is a back elevation view;

FIG. 6 is a top plan view; and,

FIG. 7 is a bottom plan view.

In the drawings, the broken lines depict unclaimed subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a portable fire pit, as shown and described. 